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| author |  Kishon Vijay Abraham I <kishon@ti.com>
| 2021-06-03 19:52:49 +0530 |
|---|---|---|
| committer |  Nishanth Menon <nm@ti.com>
| 2021-06-08 09:32:38 -0500 |
| commit | 354065bed2d15f6ff7796c8105133ccdf3a84917 (patch) | |
| tree | 8da2467e1de8316dcfb18d53e16951d13986e738 /arch/arm64/boot/dts/ti/k3-am642-evm.dts | |
| parent | arm64: dts: ti: k3-am64-main: Add PCIe DT node (diff) | |
| download | linux-354065bed2d15f6ff7796c8105133ccdf3a84917.tar.gz linux-354065bed2d15f6ff7796c8105133ccdf3a84917.tar.bz2 linux-354065bed2d15f6ff7796c8105133ccdf3a84917.zip | |
arm64: dts: ti: k3-am642-evm: Enable PCIe and SERDES
AM642 EVM has a x4 lane PCIe connector. Enable PCIe in RC mode here.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Reviewed-by: Aswath Govindraju <a-govindraju@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Link: https://lore.kernel.org/r/20210603142251.14563-4-kishon@ti.com
Diffstat (limited to 'arch/arm64/boot/dts/ti/k3-am642-evm.dts')
| -rw-r--r-- | arch/arm64/boot/dts/ti/k3-am642-evm.dts | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts index dad0efa961ed..8c27f563a390 100644 --- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts +++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts @@ -5,6 +5,8 @@ /dts-v1/; +#include <dt-bindings/phy/phy.h> +#include <dt-bindings/mux/ti-serdes.h> #include <dt-bindings/leds/common.h> #include <dt-bindings/gpio/gpio.h> #include <dt-bindings/net/ti-dp83867.h> @@ -466,3 +468,31 @@ &mailbox0_cluster7 { status = "disabled"; }; + +&serdes_ln_ctrl { + idle-states = <AM64_SERDES0_LANE0_PCIE0>; +}; + +&serdes0 { + serdes0_pcie_link: phy@0 { + reg = <0>; + cdns,num-lanes = <1>; + #phy-cells = <0>; + cdns,phy-type = <PHY_TYPE_PCIE>; + resets = <&serdes_wiz0 1>; + }; +}; + +&pcie0_rc { + reset-gpios = <&exp1 5 GPIO_ACTIVE_HIGH>; + phys = <&serdes0_pcie_link>; + phy-names = "pcie-phy"; + num-lanes = <1>; +}; + +&pcie0_ep { + phys = <&serdes0_pcie_link>; + phy-names = "pcie-phy"; + num-lanes = <1>; + status = "disabled"; +}; |